Engine



1,502,244 July 1924 R. J. K. GORE ENGINE Filed May a, 1920 4 SheetsSheet 1 avwantoz July 22 1924.

R. J. K. GORE ENGINE Filed May 8, 1920 R. J. K. com:

ENGINE Filed May 8. 1920 4 Sheets-Sheet 5 July 22, 1924. 1,502,244

R. J. K. GORE ENGINE Filed May 8', 1920 4 Sheets-Sheet 4 III II 111mm avwewtoz Patented July 22, 1.924%,

s fiTATES.

ROBERT J. K. GORE,

Parent QEFIGE. I

on nn'rnorr, MICHIGAN, ess c oa or ON -Harare WILLIAM J. orna ncHA P, or DETROIT, M C GAN.

ENGINE;

Application filed May 8,

Z aZZcohom it may concern:

Be it known that 1, ROBERT J. K. GORE, a citizen of the United States, residing at Detroit, in the county of Wayne and State of Michigan, have invented a new and useful Engine, of which the following is a specification.

I This invention relatesto engines and more particularly to a motor adapted to beoperated by air under pressure, there being a simple form of valve mechanism combined with the engine whereby pressure will be admitted successively to the cylinders soas to drive the pistons and set up a rotation of fly wheels at a high speed, it beingpossible, after such a speed has'been obtained, to shut off the exhaust so as to conserve the supply ofcompressedair until the operation of the engine due to momentum of its fly wheels, becomes reduced whereupon the exhaust can be opened and the actuation of the motor continued asbefore.

lV-ith the foregoing and other objects in View, which will appearas the description proceeds the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that, within the scope of what is claimed, changes in the precise embodiment of the invention shown can be made without departing from the spirit of the invention.

In the accompanying drawings the preev ferred form of the invention has been shown.

In said drawings Figure 1 is a view partly in plan and partly in section through the apparatus, the means for placing air under pressure in the storage tank being shown in diagram.

Figure 2 is a side elevation of a portion of the structure, parts being broken away.

Figure 3 is an enlarged section through the valve mechanism of one of the cylinders.

Figure 4; is a view showing, in diagram, the controlling governor and the valve mechanism operated thereby.

Figure 5 is a detail view of the air compressing mechanism.

Figure 6 is a section through the air tank.

Referring to the figures by characters of reference 1 designates the base of the engine on which are mounted oppositely disposed cylinders 2 having pistons 3 therein connected by pitmans 4 to a crank5 forming 1920i Serial No. 379,926.

a part of a shaft 6, This shaft is journaled on the bed or base of the engine and carries heaviy fly wheels 7 and a pair of cams8.

A; compressed air storagetank. 9, is located adjacentthebase -1 and has an outlet pipe 10 providedwithbranches 11 which open into ponts-12 extending to the outer ends of'the respective; cylinders 2. Each ofgtheseports has; a ball valve 13 normally held to its seat bythes pressure from the pipe 11 so. that aiirwill be held against, admission to the cylinder, 2. Extending from each of the air passages ld which connect the cylinders 2 with the-ponts12are exhaust ports 15 each of ewhichhas; a rotary valve 16 therein and a slidevalve 17. The slide valves 17 are connected and movewith plunger-s 18. Each plungeiahas a, pin 19 projecting from one enditllElB0fi and toward the ball valve 13 adjacent thereto and mounted on each plunger 18 is a spring 20 which. bears against a collar 21 and serves to hold the plunger normally shifted. away from the ball valve. their movement byv collars 22 on the like mounted, thereon and which are adapted to bear against the guides 23' 1111 which the plungerse are mounted. I

The plungers. 18 are limited in.

Air may be placed undercompression in These check valves have been indicated at 29.

Any suitable means may be provided for automatically operating the valves 16. For example, and as shown in diagram in Figure 4, these valves may be provided with laterally extending arms 30 connected by a rod 31 so that the two valves will rotate in unison. Another arm 32 may be extended from one of the arms 30 and connected by a rod 33 to a bell crank lever 34 which, in turn, has an upwardly extending rod 35 attached to it and carrying a finger 36. This finger overhangs a disk 37 which forms the movable end portion of a centrifugal governor 38. A cord belt 39 may be used to drive this governor from a pulley 4C0 on the shaft 6. The parts can be so timed and proportioned that when the shaft 6 rotates at a predetermined speed the disk 37 of the governor will be elevated against the finger 36 and shift the finger so as to simultaneously rotate the valve 16 and cut off the exhaust ports of the two cylinders irrespective of the positions of the slide valves 17. A spring 41 can be used for holdingthe tWo valves 16 normally open. I

In using the motor herein described air is first placed under pressure in the tank 9 and is then directed into the branch pipes 11 by opening a valve 42 in the pipe 10. Theshaftfi is rotated and the cams 8 will successively engage the rods 18 and shift them longitudinally so as to unseat the ball valves 13 successively. Thus air will be admitted successively to the two cylinders 2, thereby to drive the pistons 3 in proper succession. Each time a spring 20 returns its rod 18 after unseating its valve 13, the

rod 18 will shift valve 17 so as to open the exhaust port 15. The valve 16 in this eX- haust .port is normally open and it Will therefore be seen thatuntil the engine obtains a predetermined speed, air will be exhausted therefrom through the ports 15 during each return stroke of each piston, the exhausting of the spent alr belng permitted because the slide valves 17 are in open position during said return stroke. When, however, the speed of the engine becomes such as to lift the governor disk 37 against the finger 36, the mechanism controlled by the governor will shift the valves 16 so as to close them. Accordingly the momentum of the Wheels 7 will be sufficient to continue the operation of the engine against the pres sure of air exerted upon the pistons but as the momentum is reduced the valves 16'Will be opened automatically by the spring 11 and the engine will again be driven by the air under pressure, as before. By thus utilizing an engine in Which momentum is employed for carrying it at intervals, considerable saving in compressed air results.

for reciprocation by the crank shaft, a pin actuated thereby for un'seating the ball valve, a connection between the slide valve and the plunger, yielding means for holding the plunger at one extreme position'with the, pin out of contact with the ball valve and with the slide valve in open position, said plunger being shiftalole to simultaneously unseat the ball valve and close the exhaust port.

In testimony that I claim the foregoing as my own, I have hereto affixed my signature in the presence of tWo witnesses.

, ROBERT J. K. GORE. Witnesses:

ARTHUR R. KosEL, THERESA 'M. KosnL, 

